Realme C100x vs Xiaomi Black Shark GS3 Ultra
Comparing the Realme C100x (2026) and the Xiaomi Black Shark GS3 Ultra (2025) on specs and benchmarks. By overall MobileRank rating, the Realme C100x leads — 31/100 vs 5/100 (a 26-point difference). Key differences: the Realme C100x has NFC for contactless payments, the Xiaomi Black Shark GS3 Ultra doesn't.
Realme C100x
Xiaomi Black Shark GS3 Ultra
- Better camera (24/100 vs 0/100)
- Longer battery life (52/100 vs 0/100)
- Better display (100/100 vs 0/100)
- Overall rating 5/100
Comparing the Realme C100x vs the Xiaomi Black Shark GS3 Ultra, the Realme C100x scores 26 points higher (31/100 vs 5/100). In the "camera" category, the Realme C100x leads (24/100 vs 0/100). In the "battery" category, the Realme C100x leads (52/100 vs 0/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Realme C100x significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100). In the "camera" category, the Realme C100x notably outperforms the Xiaomi Black Shark GS3 Ultra (24/100 vs 0/100). In the "battery" category, the Realme C100x significantly outperforms the Xiaomi Black Shark GS3 Ultra (52/100 vs 0/100). In the "design" category, both devices are on the same level — 50/100. In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Realme C100x | Xiaomi Black Shark GS3 Ultra | |
|---|---|---|---|
| Processor | — | — | |
| AnTuTu | — | — | |
| Geekbench Single | — | — | |
| Geekbench Multi | — | — | |
| Display | 6.8" IPS LCD | 1.4" AMOLED | |
| Resolution | 720x1640 | 466x466 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7500 mAh | — | |
| Charging | — | — | |
| Main camera | 50 MP | — | |
| Front camera | 5 MP | — | |
| RAM | 4GB | — | |
| Storage | 128GB / 256GB | — | |
| OS | Android 16 | — | |
| Brightness (peak) | — | 1000 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP68 | |
| Weight | — | — | |
| Price | — | — |
Realme C100x
- Main: 50MP f/f/1.8
- Front: 5MP
Xiaomi Black Shark GS3 Ultra
- Main: —
- Front: —
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
Xiaomi Black Shark GS3 Ultra
- 1.4" AMOLED
- Resolution: 466x466
- Refresh rate: —
Realme C100x
- 7500 mAh
- No wireless charging
Xiaomi Black Shark GS3 Ultra
- —
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Realme C100x significantly outperforms the Xiaomi Black Shark GS3 Ultra (100/100 vs 0/100).
camera
In the "camera" category, the Realme C100x notably outperforms the Xiaomi Black Shark GS3 Ultra (24/100 vs 0/100).
battery
In the "battery" category, the Realme C100x significantly outperforms the Xiaomi Black Shark GS3 Ultra (52/100 vs 0/100).
design
In the "design" category, both devices are on the same level — 50/100.
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Realme C100x or the Xiaomi Black Shark GS3 Ultra?
The Realme C100x significantly outperforms the Xiaomi Black Shark GS3 Ultra by 26 points (31/100 vs 5/100).
What is the rating of the Realme C100x and the Xiaomi Black Shark GS3 Ultra?
The Realme C100x has a MobileRank rating of 31/100, the Xiaomi Black Shark GS3 Ultra — 5/100.
Which has the better camera: the Realme C100x or the Xiaomi Black Shark GS3 Ultra?
The Realme C100x leads on camera score (24/100 vs 0/100).
Should you choose the Realme C100x over the Xiaomi Black Shark GS3 Ultra?
The Realme C100x is a better fit for everyday use. The Xiaomi Black Shark GS3 Ultra is a better fit for everyday use.